.ei-section{--ei-excel-green:#107c41;border-bottom:1px solid var(--ec-border);padding-block:80px;scroll-margin-top:96px}.ei-preview{grid-template-columns:.8fr 1.4fr;align-items:start;gap:72px;display:grid}.ei-intro h2{max-width:440px;margin-top:20px}.event-page .ei-description{max-width:440px;color:var(--ec-muted);margin-top:20px;font-size:16px;line-height:1.625}.ei-steps{margin:28px 0 0;padding:0;list-style:none}.ei-steps li{min-height:46px;color:var(--ec-muted);align-items:center;gap:12px;font-size:14px;display:flex}.ei-step-marker{border:1px solid var(--ec-border);font-variant-numeric:tabular-nums;border-radius:50%;flex-shrink:0;place-items:center;width:26px;height:26px;font-size:9px;display:grid}.ei-step-marker svg,.ei-steps [data-complete=true] .ei-step-marker>span{display:none}.ei-steps [data-complete=true] .ei-step-marker svg{display:block}.ei-steps [aria-current=step]{color:var(--ec-text);font-weight:600}.ei-steps [aria-current=step] .ei-step-marker{background:var(--ec-red);color:var(--ec-paper);border-color:var(--ec-red)}.event-page .ei-format-note{color:var(--ec-muted);margin-top:22px;font-family:monospace;font-size:11px}.ei-format-note>span{margin-inline:8px}.ei-panel{border:1px solid var(--ec-border);background:var(--ec-bg);border-radius:6px;min-width:0;overflow:hidden}.ei-file-bar{background:var(--ec-surface);border-bottom:1px solid var(--ec-border);align-items:center;gap:12px;min-height:62px;padding:12px 24px;display:flex}.ei-file-mark{background:var(--ei-excel-green);color:#fff;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;gap:3px;width:34px;height:34px;display:flex}.ei-file-mark-x{border-right:1px solid #ffffff80;place-items:center;width:18px;height:22px;font-size:16px;font-weight:800;line-height:1;display:grid}.ei-file-mark-grid{grid-template-rows:repeat(2,4px);grid-template-columns:repeat(2,4px);gap:2px;display:grid}.ei-file-mark-grid i{background:#fffc}.ei-filename{overflow-wrap:anywhere;min-width:0;font-size:12px;font-weight:600}.ei-sample-badge{letter-spacing:.05em;color:var(--ec-muted);flex-shrink:0;margin-left:auto;font-size:9px}.ei-stage{min-height:300px;padding:24px;position:relative}.ei-pane{animation:.22s ease-out both ei-reveal}.ei-upload-scene{isolation:isolate;height:214px;position:relative}.ei-file-path{border-top:1px dashed var(--ec-gray);opacity:.45;width:44%;position:absolute;top:102px;left:26%}.ei-document-track{z-index:2;position:absolute;inset:0}.ei-document{border:2px solid var(--ei-excel-green);width:160px;color:var(--ec-ink);background:#fff;border-radius:3px;position:absolute;top:12px;left:calc(26% - 80px);overflow:hidden;transform:rotate(-7deg);box-shadow:0 10px 24px #00000012}.ei-document-top{color:var(--ec-paper);background:var(--ei-excel-green);letter-spacing:.08em;justify-content:space-between;align-items:center;padding:9px 12px;font-size:12px;font-weight:700;display:flex}.ei-document-type{align-items:center;gap:8px;display:flex}.ei-document-x{letter-spacing:0;border:1px solid #ffffffb3;border-radius:2px;place-items:center;width:18px;height:18px;font-size:12px;display:grid}.ei-document-top>span:last-child{font-size:18px;line-height:1}.ei-document-content{padding:12px}.ei-document-content>strong{letter-spacing:.04em;font-size:8px;font-weight:600}.ei-document-columns{background:var(--ec-neutral);text-align:center;color:#626269;grid-template-columns:16px 1fr 16px;margin-top:9px;padding-block:3px;font-size:7px;display:grid}.ei-document-row{border-bottom:1px solid #dedee1;grid-template-columns:16px 1fr 16px;align-items:center;min-height:22px;font-size:7px;display:grid}.ei-document-row>span:first-child{color:#626269;text-align:center}.ei-document-row>i{background:#dedee1;width:10px;height:3px}.ei-document-count{color:#626269;margin-top:9px;font-size:7px;display:block}.ei-intake{z-index:3;background:var(--ec-ink);width:132px;height:132px;color:var(--ec-paper);text-align:center;border:3px solid #36363a;border-radius:12px;padding:16px;position:absolute;top:40px;left:calc(70% - 66px);box-shadow:0 8px 20px #0000000a}.ei-intake>span:first-child{letter-spacing:.12em;font-size:14px;font-weight:600;display:block}.ei-intake-slot{background:var(--ec-red);height:2px;margin-top:10px}.ei-intake-grid{grid-template-rows:repeat(2,11px);grid-template-columns:repeat(2,11px);justify-content:center;gap:4px;margin-top:16px;display:grid}.ei-intake-grid i{border:1px solid #74747d;border-radius:2px}.ei-intake-check{opacity:0;place-items:center;display:grid;position:absolute;inset:72px 0 auto}.ei-transfer-progress{background:var(--ec-border);opacity:0;height:2px;position:absolute;inset:auto 4px 0}.ei-transfer-progress>span{background:var(--ec-red);transform-origin:0;height:100%;display:block;transform:scaleX(0)}.ei-preview[data-phase=uploading] .ei-document-track{animation:ei-file-travel var(--ei-upload-duration) cubic-bezier(.45, 0, .2, 1) both}.ei-preview[data-phase=uploading] .ei-document{animation:ei-file-enter var(--ei-upload-duration) ease-in-out both}.ei-preview[data-phase=uploading] .ei-intake-check{animation:ei-file-received var(--ei-upload-duration) ease-out both}.ei-preview[data-phase=uploading] .ei-intake-grid{animation:ei-intake-ready var(--ei-upload-duration) ease-out both}.ei-preview[data-phase=uploading] .ei-transfer-progress{opacity:1}.ei-preview[data-phase=uploading] .ei-transfer-progress>span{animation:ei-progress var(--ei-upload-duration) linear both}.event-page .ei-pane-note{color:var(--ec-muted);margin-top:16px;font-size:11px;line-height:1.7}.ei-mapping-labels{color:var(--ec-muted);grid-template-columns:1fr 1fr;gap:38px;margin-bottom:14px;font-size:10px;font-weight:600;display:grid}.ei-mapping-list{margin:0;padding:0;list-style:none}.ei-mapping-list li{grid-template-columns:minmax(0,1fr) 38px minmax(0,1fr);align-items:center;margin-bottom:12px;font-size:12px;display:grid}.ei-source-field,.ei-target-field{border:1px solid var(--ec-border);justify-content:space-between;align-items:center;gap:8px;min-height:46px;padding:10px 14px;display:flex}.ei-source-field{background:var(--ec-surface);color:var(--ec-muted)}.ei-target-field{font-weight:600}.ei-target-field>span{color:var(--ec-red);display:flex}.ei-map-arrow{color:var(--ec-muted);place-items:center;display:grid}.ei-preview[data-phase=mapping] .ei-mapping-list li{animation:ei-match .56s calc(var(--ei-row-index) * .28s) ease-out both}.ei-preview[data-phase=mapping] .ei-map-arrow svg{stroke-dasharray:40;animation:ei-connect .45s calc(var(--ei-row-index) * .28s + .3s) ease-out both}.ei-preview[data-phase=mapping] .ei-target-field>span{animation:ei-reveal .22s calc(var(--ei-row-index) * .28s + .7s) ease-out both}.ei-validation{align-items:center;gap:12px;margin-bottom:18px;display:flex}.ei-validation-icon{border:1px solid var(--ec-border);border-radius:50%;flex-shrink:0;place-items:center;width:34px;height:34px;display:grid}.ei-validation strong{font-size:13px;font-weight:600;display:block}.ei-validation div>span{color:var(--ec-muted);margin-top:3px;font-size:11px;display:block}.ei-guest-list{border-top:1px solid var(--ec-border);margin:0;padding:0;list-style:none}.ei-guest-list li{border-bottom:1px solid var(--ec-border);align-items:center;gap:12px;padding-block:13px;display:flex}.ei-guest-avatar{border:1px solid var(--ec-border);width:30px;height:30px;color:var(--ec-muted);border-radius:50%;flex-shrink:0;place-items:center;font-size:9px;display:grid}.ei-guest-list li>div{min-width:0}.ei-guest-list strong{font-size:12px;font-weight:600;display:block}.ei-guest-list div>span{color:var(--ec-muted);overflow-wrap:anywhere;font-size:10px;display:block}.ei-guest-tier{color:var(--ec-muted);flex-shrink:0;margin-left:auto;font-size:10px}.ei-row-valid{display:flex}.ei-preview[data-phase=complete] .ei-guest-linh .ei-guest-avatar,.ei-preview[data-phase=complete] .ei-validation-icon{background:var(--ec-red);border-color:var(--ec-red);color:var(--ec-paper)}.ei-preview[data-phase=importing] .ei-guest-list li{animation:ei-record .7s calc(var(--ei-row-index) * .16s) ease-out both}.ei-preview[data-phase=importing] .ei-row-valid{animation:ei-reveal .18s calc(var(--ei-row-index) * .16s + .6s) ease-out both}.ei-preview[data-phase=importing] .ei-stage:after{content:"";background:var(--ec-red);transform-origin:0;height:2px;animation:ei-progress var(--ei-import-duration) linear both;position:absolute;inset:auto 24px 10px}.ei-caption{min-height:42px;color:var(--ec-muted);padding:0 24px;font-size:12px;line-height:1.7}.ei-controls{flex-wrap:wrap;align-items:center;gap:10px 20px;min-height:78px;padding:16px 24px 12px;display:flex}.ei-back{text-underline-offset:4px;min-height:46px;font-size:12px;text-decoration:underline}.ei-primary{gap:14px;min-height:46px;font-size:12px}.ei-primary[aria-disabled=true]{background:var(--ec-ink);color:var(--ec-paper);cursor:progress;box-shadow:none;transform:none}.ei-arrival-link{gap:8px;font-size:12px}.event-page .ei-disclaimer,.ei-noscript{color:var(--ec-muted);padding:0 24px 18px;font-size:12px;line-height:1.7}@keyframes ei-file-travel{0%,12%{transform:translate(0)}75%,to{transform:translate(44%)}}@keyframes ei-file-enter{0%,12%{opacity:1;transform:rotate(-7deg)scale(1)}65%{opacity:1;transform:rotate(0)scale(.5)}85%,to{opacity:0;transform:translateY(16px)rotate(0)scale(.3)}}@keyframes ei-file-received{0%,78%{opacity:0;transform:scale(.7)}92%,to{opacity:1;transform:scale(1)}}@keyframes ei-intake-ready{0%,70%{opacity:1}80%,to{opacity:0}}@keyframes ei-progress{0%{transform:scaleX(0)}to{transform:scaleX(1)}}@keyframes ei-match{0%{opacity:0;transform:translate(-12px)}to{opacity:1;transform:translate(0)}}@keyframes ei-connect{0%{stroke-dashoffset:40px}to{stroke-dashoffset:0}}@keyframes ei-record{0%{opacity:.2;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes ei-reveal{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media (width<=1099px){.ei-preview{grid-template-columns:.75fr 1.4fr;gap:36px}}@media (width<=899px){.ei-preview{grid-template-columns:1fr;gap:28px}.ei-intro h2,.event-page .ei-description{max-width:560px}.ei-steps{flex-wrap:wrap;gap:8px 24px;margin-top:20px;display:flex}.event-page .ei-format-note{display:none}}@media (width<=599px){.ei-section{padding-block:52px}.ei-intro h2{margin-top:16px}.ei-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.ei-steps li{flex-direction:column;align-items:flex-start;gap:7px;min-height:0;font-size:11px}.ei-file-bar{gap:9px;padding-inline:16px}.ei-filename{font-size:11px}.ei-sample-badge{font-size:8px}.ei-stage{min-height:310px;padding:20px 16px}.ei-document{width:126px;top:18px;left:calc(26% - 63px)}.ei-document-content{padding:9px}.ei-document-row{grid-template-columns:13px 1fr 8px;font-size:6px}.ei-document-row>i{width:6px}.ei-intake{width:106px;height:122px;padding:12px;top:42px;left:calc(72% - 53px)}.ei-intake-check{top:68px}.ei-source-field,.ei-target-field{padding-inline:10px;font-size:11px}.ei-guest-list li{gap:8px}.ei-row-valid{display:none}.ei-guest-tier{font-size:9px}.ei-caption,.ei-controls,.event-page .ei-disclaimer,.ei-noscript{padding-inline:16px}}